<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="30">
        <el-col :span="15">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button
            type="primary"
            @click="addDialogVisible = true "
          >添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table
        :data="UserList"
        border
        stripe
      >
        <el-table-column
          label="#"
          type="index"
          align="center"
        >
        </el-table-column>
        <el-table-column
          label="姓名"
          prop='username'
          align="center"
        >
        </el-table-column>
        <el-table-column
          label="邮箱"
          prop='email'
          align="center"
        >
        </el-table-column>
        <el-table-column
          label="电话"
          prop='mobile'
          align="center"
        >
        </el-table-column>
        <el-table-column
          label="角色"
          prop='role_name'
          align="center"
        >
        </el-table-column>
        <el-table-column
          label="状态"
          align="center"
        >
          <!-- 通过自定义表格自带的可以获取row,column,$index和 store（table 内部的状态管理）的数据 -->
          <!-- 从而实现每一行状态栏的结果 -->
          <!-- 通过作用域插槽(自定义插槽)来获取包住template的容器的所有数据 -->
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              active-color="#13ce66"
              inactive-color="#ff4949"
              @change="userStateChange(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column
          label="操作"
          width="175"
          align="center"
        >
          <template slot-scope="scope">
            <!-- 修改按钮区域 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showDialogVisible(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="Delete(scope)"
            ></el-button>
            <!-- 分配按钮 -->
            <el-tooltip
              content="分配角色"
              placement="top"
              :enterable="false"
              :open-delay="400"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="c(scope)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[2, 5, 10, 15]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="Total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogCloseed"
    >
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="auto"
      >
        <el-form-item
          label="用户名"
          prop="username"
        >
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item
          label="密码"
          prop="password"
        >
          <el-input v-model='addForm.password'></el-input>
        </el-form-item>
        <el-form-item
          label="邮箱"
          prop="email"
        >
          <el-input v-model='addForm.email'></el-input>
        </el-form-item>
        <el-form-item
          label="电话"
          prop="mobile"
        >
          <el-input v-model='addForm.mobile'></el-input>
        </el-form-item>
      </el-form>
      <span
        slot="footer"
        class="dialog-footer"
      >
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button
          type="primary"
          @click="addUser"
        >确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
    >
      <el-form
        :model="editForm"
        :rules="addFormRules"
        ref="editFormRef"
        label-width="auto"
      >
        <el-form-item
          label="用户名"
          prop="username"
        >
          <el-input
            v-model="editForm.username"
            disabled
          ></el-input>
        </el-form-item>
        <el-form-item
          label="邮箱"
          prop="email"
        >
          <el-input
            v-model="editForm.email"
            clearable=""
          ></el-input>
        </el-form-item>
        <el-form-item
          label="电话"
          prop="mobile"
        >
          <el-input
            v-model="editForm.mobile"
            clearable=""
          ></el-input>
        </el-form-item>

      </el-form>
      <span slot="footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button
          type="primary"
          @click="EditUser()"
        >确 定</el-button>
      </span>
    </el-dialog>
  </div>

</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    // 参数说明:验证,待校验值,回调函数
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      var regEmail = /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      } else {
        cb(new Error('请输入合法的邮箱地址'))
      }
    }
    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        // 合法的手机号码
        return cb()
      } else {
        cb(new Error('手机号码格式不正确'))
      }
    }
    return {
      queryInfo: {
        // 查询页数
        query: '',
        // 当前页码
        pagenum: 1,
        // 每页显示条数
        pagesize: 10
      },
      UserList: [],
      Total: 5,
      // 控制添加用户表单的显示与隐藏
      addDialogVisible: false,
      // 控制修改功能表单的显示与隐藏
      editDialogVisible: false,
      // 添加用户的用户信息
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 修改用户的用户信息
      editForm: {},
      // 添加用户的验证规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]

      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败！')
      } else {
        this.UserList = res.data.users
        this.Total = res.data.total
        // console.log(this.UserList)
      }
    },
    // 监听 pagesize 改变的事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听 页码发生改变时
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听 用户状态的改变
    async userStateChange (userinfo) {
      // 在url地址中添加参数粗腰拼接字符串
      // 使用模板字符串``，在里面用${这里可以写数据（变量等）}
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        // 如果出现更新失败的情况下,会将改变的值改回原来的
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      } else {
        this.$message.success('更新用户状态成功！')
      }
    },
    // 监听添加用户后的关闭事件
    addDialogCloseed () {
      // 通过ref引用数据找到表单然后通过表单的resetFields方法来重置表单
      this.$refs.addFormRef.resetFields()
    },
    // 点击确定按钮添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (valid) {
          const { data: res } = await this.$http.post('users', this.addForm)
          if (res.meta.status === 201) {
            this.$message.success('添加用户成功!')
            // 添加完成后重置添加用户表单
            this.$refs.addFormRef.resetFields()
            // 重新获取用户列表
            this.getUserList()
          } else {
            this.$message.error('数据库连接错误!')
            // 隐藏添加用户列表
            this.$refs.addFormRef.resetFields()
          }
        } else {
          this.$message.error('添加用户失败!')
          // 隐藏添加用户列表
          this.addDialogVisible = false
        }
      })
    },
    // 修改数据按钮
    async showDialogVisible (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败!')
      }
      // console.log(res.data)
      this.editForm = res.data
      // console.log(this.editForm)
      this.editDialogVisible = true
    },
    // 修改用户按钮
    EditUser () {
      // 修改预检验表单是否全部通过
      this.$refs.editFormRef.validate(async voide => {
        if (voide) {
          const { data: res } = await this.$http.put(`users/${this.editForm.id}`, { email: this.editForm.email, mobile: this.editForm.mobile })
          if (res.meta.status !== 200) {
            return this.$message.error('修改失败')
          }
          this.editDialogVisible = false
          this.getUserList()
        } else {
          this.$message.error('请检查填写结果！')
        }
      })
    },
    // 删除数据按钮
    Delete (delId) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        const { data: res } = await this.$http.delete(`users/${delId.row.id}`)
        if (res.meta.status !== 200) return this.$message.error('删除失败!')
        this.$message.success('删除成功!')
        this.getUserList()
      }).catch(() => {
        this.$message.error('已取消删除')
      })
    },
    // 操作数据按钮
    c (c) {
      console.log(c)
    }
  }
}
</script>

<style lang="less" scoped>
</style>
